MathematicsMedium175×since 2002Q2640If ƒ(x) is a non-zero polynomial of degree four, having local extreme points at x = –1, 0, 1; then the set S = {x ∈\in∈ R : ƒ(x) = ƒ(0)} Contains exactly :Afour rational numbers.Bfour irrational numbers.Ctwo irrational and one rational number.Dtwo irrational and two rational numbes.Check answerSkip